From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19FDFC7EE25 for ; Mon, 12 Jun 2023 10:45:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235342AbjFLKpw (ORCPT ); Mon, 12 Jun 2023 06:45:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229900AbjFLKpK (ORCPT ); Mon, 12 Jun 2023 06:45:10 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D95CC6EA2 for ; Mon, 12 Jun 2023 03:29:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6E5E460C35 for ; Mon, 12 Jun 2023 10:29:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5774CC433EF; Mon, 12 Jun 2023 10:29:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686565796; bh=pgJv83F9eu2OwDARpeDWs7cjWHOhbJzIydDdiYdSHrA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rQ2NNC9YWYwUAtl0C54Md4JGBb6YvT/w6XWJj09LW5ZxnZvbLgtLkh/KwfFlHAbH3 aSbwIaZH7uLGPdCoTC9EDeMJlxaia5e6U05PWDuwLNPdWaFUYSQhov6WPrvz9NSBpu u3qeomvybkkYfSzFwjcGhmhWLFsFEghh8OOjx4k8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Andi Shyti , Wolfram Sang , Sasha Levin Subject: [PATCH 4.19 19/23] i2c: sprd: Delete i2c adapter in .removes error path Date: Mon, 12 Jun 2023 12:26:20 +0200 Message-ID: <20230612101651.786437398@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230612101651.138592130@linuxfoundation.org> References: <20230612101651.138592130@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Uwe Kleine-König [ Upstream commit ca0aa17f2db3468fd017038d23a78e17388e2f67 ] If pm runtime resume fails the .remove callback used to exit early. This resulted in an error message by the driver core but the device gets removed anyhow. This lets the registered i2c adapter stay around with an unbound parent device. So only skip clk disabling if resume failed, but do delete the adapter. Fixes: 8b9ec0719834 ("i2c: Add Spreadtrum I2C controller driver") Signed-off-by: Uwe Kleine-König Reviewed-by: Andi Shyti Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-sprd.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c index bb1478e781c42..6c95b809abdc4 100644 --- a/drivers/i2c/busses/i2c-sprd.c +++ b/drivers/i2c/busses/i2c-sprd.c @@ -581,10 +581,12 @@ static int sprd_i2c_remove(struct platform_device *pdev) ret = pm_runtime_get_sync(i2c_dev->dev); if (ret < 0) - return ret; + dev_err(&pdev->dev, "Failed to resume device (%pe)\n", ERR_PTR(ret)); i2c_del_adapter(&i2c_dev->adap); - clk_disable_unprepare(i2c_dev->clk); + + if (ret >= 0) + clk_disable_unprepare(i2c_dev->clk); pm_runtime_put_noidle(i2c_dev->dev); pm_runtime_disable(i2c_dev->dev); -- 2.39.2